1
MCQ (Single Correct Answer)
It is said that elemental composition of living organisms and that of inanimate objects (like earth's crust) are similar in the sense that all the major elements are present in both. Then what would be the difference between these two groups? Choose a correct answer from among the following.
A
Living organisms have more gold in them than inanimate objects
B
Living organisms have more water in their body than inanimate objects
C
Living organisms have more carbon, oxygen and hydrogen per unit mass than inanimate objects
D
Living organisms have more calcium in them than inanimate objects
2
MCQ (Single Correct Answer)
Many elements are found in living organisms either free or in the form of compounds. One of the following is not found in living organisms.
A
Silicon
B
Magnesium
C
Iron
D
Sodium
3
MCQ (Single Correct Answer)
Amino acids have both an amino group and a carboxyl group in their structure. Which amongst the following is an amino acid?
A
Formic acid
B
Glycerol
C
Glyolic acid
D
Glycine
4
MCQ (Single Correct Answer)
An amino acid under certain conditions have both positive and negative charges simultaneously in the same molecule. Such a form of amino acid is called
A
acidic form
B
basic form
C
aromatic form
D
zwitterionic form
5
MCQ (Single Correct Answer)
Which of the following sugars howe the same number of carbon as present in glucose?
A
Fructose
B
Erythrose
C
Ribulose
D
Ribose